From: patchwork-bot+netdevbpf@kernel.org
To: Yizhou Zhao <zhaoyz24@mails.tsinghua.edu.cn>
Cc: netdev@vger.kernel.org, horms@verge.net.au, ja@ssi.bg,
pablo@netfilter.org, fw@strlen.de, phil@nwl.cc,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, lvs-devel@vger.kernel.org,
netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
yangyx22@mails.tsinghua.edu.cn, wangao@seu.edu.cn,
fengxw06@126.com, qli01@tsinghua.edu.cn, xuke@tsinghua.edu.cn
Subject: Re: [PATCH net] ipvs: reset full ip_vs_seq structs in ip_vs_conn_new
Date: Mon, 06 Jul 2026 10:50:17 +0000 [thread overview]
Message-ID: <178333501739.500093.9836567879441424973.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260702112837.81121-1-zhaoyz24@mails.tsinghua.edu.cn>
Hello:
This patch was applied to netdev/net.git (main)
by Florian Westphal <fw@strlen.de>:
On Thu, 2 Jul 2026 19:28:36 +0800 you wrote:
> Commit 9a05475cebdd ("ipvs: avoid kmem_cache_zalloc in
> ip_vs_conn_new") changed ip_vs_conn_new() to allocate an ip_vs_conn
> object with kmem_cache_alloc(). The function then initializes many
> fields explicitly, but only resets in_seq.delta and out_seq.delta in the
> two struct ip_vs_seq members.
>
> That leaves init_seq and previous_delta uninitialized. This is normally
> harmless while the corresponding IP_VS_CONN_F_IN_SEQ or
> IP_VS_CONN_F_OUT_SEQ flag is clear. For connections learned from a sync
> message, however, ip_vs_proc_conn() preserves those flags from
> IP_VS_CONN_F_BACKUP_MASK and passes opt=NULL when the message omits
> IPVS_OPT_SEQ_DATA. In that case the new connection can be hashed with
> SEQ flags set but with the rest of in_seq/out_seq still containing stale
> slab data.
>
> [...]
Here is the summary with links:
- [net] ipvs: reset full ip_vs_seq structs in ip_vs_conn_new
https://git.kernel.org/netdev/net/c/2975324d164c
You are awesome, thank you!
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prev parent reply other threads:[~2026-07-06 10:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-02 11:28 [PATCH net] ipvs: reset full ip_vs_seq structs in ip_vs_conn_new Yizhou Zhao
2026-07-06 10:50 ` patchwork-bot+netdevbpf [this message]
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